.TH std::experimental::basic_string_view::remove_prefix 3 "2024.06.10" "http://cppreference.com" "C++ Standard Libary"
.SH NAME
std::experimental::basic_string_view::remove_prefix \- std::experimental::basic_string_view::remove_prefix

.SH Synopsis
   constexpr void remove_prefix(size_type n);  (library fundamentals TS)

   Moves the start of the view forward by n characters.

   The behavior is undefined if n > size().

.SH Parameters

   n - number of characters to remove from the start of the view

.SH Return value

   \fI(none)\fP

.SH Complexity

   Constant.

.SH Example


// Run this code

 #include <iostream>
 #include <experimental/string_view>
 int main()
 {
     std::string str = "   trim me";
     std::experimental::string_view v = str;
     v.remove_prefix(std::min(v.find_first_not_of(" "), v.size()));
     std::cout << "String: '" << str << "'\\n"
               << "View  : '" << v << "'\\n";
 }

.SH Output:

 String: '   trim me'
 View  : 'trim me'

.SH See also

   remove_suffix shrinks the view by moving its end backward
                 \fI(public member function)\fP

.SH Category:
     * Noindexed pages
